Heterogeneous integration of an electro-optical platform

Abstract: A hybrid photonic integrated circuit and a method of its manufacture are provided. A SiP functional layer is fabricated on an SOI wafer. A lithium niobate thin film is bonded to the SiP functional layer. The silicon handle layer is removed from the SOI wafer to expose buried oxide, and at least one III-V die is bonded to the exposed buried oxide. In embodiments, at least one waveguiding component is fabricated in the SiP functional layer. In embodiments, the SiP functional layer comprises a top waveguiding layer.
Filed: 4/5/2021
This invention was made with Government support under Contract No. DE-NA0003525 awarded by the United States Department of Energy/National Nuclear Security Administration. The Government has certain rights in the invention.
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